Carbon fiber is one of mankind's greatest engineered materials. And because it's lighter and stronger than most metals, it has revolutionized everything from the aerospace industry, to auto racing, to artificial limbs. And while its distinctive woven appearance makes it even more appealing, that doesn't make it ok to use everywhere.

Even a cracked back panel on your iPhone 4 looks better than this carbon fiber decal. And you know what's lighter than carbon fiber? Putting nothing on your phone at all.